Home / 220,688.64-331,092-62,930.88

Finding the Fourth Proportional to 220,688.64, 331,092 and 62,930.88

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Solution

The fourth proportional to 220,688.64, 331,092 and 62,930.88 is: 94,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,688.64 : 331,092 = 62,930.88 : x
  2. Step 2: Convert to fraction form
    220,688.64/331,092 = 62,930.88/x
  3. Step 3: Cross multiply
    220,688.64x = 331,092 × 62,930.88
  4. Step 4: Simplify right side
    220,688.64x = 20,835,910,920.96
  5. Step 5: Solve for x
    x = 20,835,910,920.96/220,688.64
  6. Step 6: Final answer
    x = 94,413.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.